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Java 学习&面试指南（Go、Python 后端面试通用,计算机基础面试总结）。准备后端技术面试，首选 JavaGuide！
Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas
ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
A scalable web crawler framework for Java.
1️⃣🐝🏎️ The One Billion Row Challenge -- A fun exploration of how quickly 1B rows from a text file can be aggregated with Java
A Flexible and Powerful Parameter Server for large-scale machine learning
JanusGraph: an open-source, distributed graph database
该项目为多个小项目的集合（持续更新中...）。内容类似淘宝、京东等网购管理系统以及图书管理、超市管理等系统。目的在于便于Java初级爱好者在学习完某一部分Java知识后有一个合适的项目锻炼、运用所学知识，完善知识体系。适用人群：Java基础到入门的爱好者。
OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID…
A complete 3-D game development suite written in Java.
Benchmark comparing serialization libraries on the JVM
A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)
Stream summarizer and cardinality estimator.
Apache GeaFlow: A Streaming Graph Computing Engine.
Source code for the Neo4j Graph Data Science library of graph algorithms.
Java library for efficiently working with heap and off-heap memory
Client/server library for Java, based on Netty and Kryo
A lightweight Java library that facilitates reading and writing Apache Parquet files without Hadoop dependencies